Home / 135,928.22-187,505.33-126,306.23

Finding the Fourth Proportional to 135,928.22, 187,505.33 and 126,306.23

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Solution

The fourth proportional to 135,928.22, 187,505.33 and 126,306.23 is: 174,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,928.22 : 187,505.33 = 126,306.23 : x
  2. Step 2: Convert to fraction form
    135,928.22/187,505.33 = 126,306.23/x
  3. Step 3: Cross multiply
    135,928.22x = 187,505.33 × 126,306.23
  4. Step 4: Simplify right side
    135,928.22x = 23,683,089,768.15
  5. Step 5: Solve for x
    x = 23,683,089,768.15/135,928.22
  6. Step 6: Final answer
    x = 174,232.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.